Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Discover 10 essential Excel formula symbols to save time, reduce errors, and transform your workflow. Perfect for beginners and experts alike ...

This month’s column introduces Excel’s GROUPBY function as a PivotTable alternative.

Excel’s UNIQUE function allows users to extract unique values from a dataset, making it easier to identify and remove duplicates.

Simplify Excel formulas with the LET function. Learn how to boost performance, reduce redundancy, and improve readability in your spreadsheets ...

Using formulas in Excel is pretty simple. To get started, click on the cell where you want the result to appear, type an equal sign ( = ), then enter your formula (like =A1+B1 ), and press Enter.

How to Minus Years in Excel. Microsoft Excel handles dates as numbers, even though they display as dates -- for example, the date "10/10/2011" is really stored as "40826." This makes it difficult ...

Subtraction methods in Excel aren't the quickest or simplest, but if you need to get it done, we can show you how to subtract in Excel. Here's how.

Learning How to multiply, subtract, add and divide in Excel makes spreadsheet management easier. Put the calculator away!

Formula 1 chief appalled to find team using Excel to manage 20,000 car parts Williams team leader may only be shocked because he hasn't worked IT.